Surround having a sinusoidal face



FIG. 1 is a perspective view of a surround having a sinusoidal face within a speaker housing showing my new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a left view thereof, and a right view being a mirror image thereof; and,

FIG. 5 is a side view turned about 90° clockwise from FIG. 4 thereof, and an opposite view being a mirror image thereof.

The dotted lines in FIG. 1 are for environmental purposes and form no part of the claimed design. 

The ornamental design for a surround having a sinusoidal face, as shown and described. 